<template>
  <div class="login_container">
    <div class="login_box">
        <!--头像区域  -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
          <!-- 用户名 -->
  <el-form-item prop="username">
    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
  </el-form-item>
  <!-- 密码 -->
  <el-form-item prop="password">
    <el-input  v-model="loginForm.password" type="password" prefix-icon="iconfont icon-3702mima"></el-input>
  </el-form-item>
  <!-- 按钮区域 -->
  <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { Result } from 'element-ui';
export default {
    data(){
        return {
            //这是登录表单的数据绑定对象
            loginForm:{
                username:'admin',
                password:'123456'
            },
            //表单验证规则
            loginFormRules:{
                //验证用户名是否合法
                username:[
                    { required: true, message: '请输入登录名称', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                //验证密码是否合法
                password:[
                     { required: true, message: '请输入登录密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                ]
            }
        }
    },
    methods: {
        //点击重置按钮
        resetLoginForm(){
            this.$refs.loginFormRef.resetFields()
        },
        login(){
        this.$refs.loginFormRef.validate(async valid => {
            if (!valid) return
            const {data:res} = await this.$http.post('login', this.loginForm)
           if(res.meta.status !== 200) return this.$message.error('登录失败！')
           this.$message.success("登录成功")
             window.sessionStorage.setItem('token', res.data.token)
             this.$router.push('./home')
            })
        }
    }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%,-50%);
  background-color: #fff;
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.login_form{
    position: absolute;
    bottom: 0%;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.btns{
    display: flex;
    justify-content: flex-end;
}
</style>
